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HomeProduct name list(FORMYLMETHYLENE)TRIPHENYLPHOSPHORANE

(FORMYLMETHYLENE)TRIPHENYLPHOSPHORANE

Synonym(s):(Formylmethylene)triphenylphosphorane

  • CAS NO.:2136-75-6
  • Empirical Formula: C20H17OP
  • Molecular Weight: 304.32
  • MDL number: MFCD00006994
  • EINECS: 218-375-6
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-11-05 19:05:58
(FORMYLMETHYLENE)TRIPHENYLPHOSPHORANE Structural

What is (FORMYLMETHYLENE)TRIPHENYLPHOSPHORANE?

Chemical properties

pink to brown crystalline powder

The Uses of (FORMYLMETHYLENE)TRIPHENYLPHOSPHORANE

(Formylmethylene)triphenylphosphorane is used as Wittig reagent. It is also used as Pharmaceutical Intermediates. It is employed as raw material in organic Synthesis, Agrochemicals.

The Uses of (FORMYLMETHYLENE)TRIPHENYLPHOSPHORANE

Wittig reagent for the conversion of aldehydes and ketones to two-carbon homologated, α,β-unsaturated carbonyl compounds.

Purification Methods

Recrystallise it from Me2CO, or dissolve it in *C6H6, wash with N NaOH, dry (MgSO4), evaporate, and crystallise the residue from Me2CO. It can be prepared from its precursor, formylmethyltriphenylphosphonium chloride (which crystallises from CHCl3/EtOAc), by treatment with Et3N and extraction with *C6H6. [Tripett & Walker J Chem Soc 1266 1961.]

Properties of (FORMYLMETHYLENE)TRIPHENYLPHOSPHORANE

Melting point: 185-188 °C(lit.)
Boiling point: 472.6±28.0 °C(Predicted)
Density  1.16±0.1 g/cm3(Predicted)
storage temp.  Inert atmosphere,Store in freezer, under -20°C
solubility  Soluble in Chloroform, Methanol.
form  Fine Crystalline Powder
color  Pink to brown
Sensitive  Air Sensitive
BRN  523797
Stability: Stable. Combustible. Incompatible with strong oxidizing agents.
CAS DataBase Reference 2136-75-6(CAS DataBase Reference)

Safety information for (FORMYLMETHYLENE)TRIPHENYLPHOSPHORANE

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for (FORMYLMETHYLENE)TRIPHENYLPHOSPHORANE

InChIKey CQCAYWAIRTVXIY-UHFFFAOYSA-N

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